Because you asked me to quote your lies. I did. Not only can you not find whichever source you claim speaks of birds' infrared vision, you apparently can't find any source that does so. Despite this, you've been whining about how visible and UV camouflage must be moot because of birds IR vision.   And to top it off, rather than admit to your mistaken memory, you're blaming the imaginary source:
Label: Non-Sarcastic